英文别名(Z)-2-cyanoethyl 2-(4-cyano-2-methoxybenzylidene)-3-oxobutanoate; Finerenone Impurity 17; Finerenone Impurity 50(Mixture of Z and E Isomers); Butanoic acid, 2-[(4-cyano-2-methoxyphenyl)methylene]-3-oxo-, 2-cyanoethyl ester; 2-cyanoethyl (2E)-2-[(4-cyano-2-methoxyphenyl)methylidene]-3-oxobutanoate; Finerenone Impurity 92